iljini, Neogobius Vasil'eva [E. D.] & Vasil'ev [V. P.] 1996:264, Fig. 1 [Acta Universitatis Carolinae. Biologica v. 39 [1995]; ref. 23071] Mangyshlak region, Caspian Sea, Mangystausskaya Obl., Kazakhstan. Holotype: ZMMU P-19726. Paratypes: ZMMU P-4643 (3); plus non-type specimens. Type catalog: Vasil'eva et al. 2001:84 [ref. 25714]. Unneeded replacement name for Neogobius kessleri gorlap Iljin in Berg 1949. •Neogobius gorlap regarded as a nomen nudum -- (Vasil'eva 1998:139 [ref. 23591]). •Valid as Neogobius iljini Vasil'eva & Vasil'ev 1996 -- (Ahnelt & Holčík 1996:106 [ref. 24708], Reshetnikov et al. 1997:755 [ref. 24702], Vasil'eva 1998:139 [ref. 23591], Coad 1998:103 [ref. 23869]). •Synonym of Neogobius gorlap Iljin 1949 -- (Kottelat 1997:178 [ref. 22952], Vasil'eva & Vasil'ev 2003:253 [ref. 27347], Bogutskaya & Naseka 2004:230 [ref. 28183], Kottelat & Freyhof 2007:580 [ref. 29996]). •Valid as Ponticola iljini (Vasil'eva & Vasil'ev 1996) -- (Vasil'eva et al. 2016:8 [ref. 34347], Zarei et al. 2022:425 [ref. 39354]). •Synonym of Ponticola gorlap (Iljin 1949) -- (Neilson & Stepien 2009:96 [ref. 30487], Esmaeili et al. 2010:378 [ref. 33391], Parin et al. 2014:498 [ref. 33547], Jouladeh-Roudbar et al. 2015:899 [ref. 34062], Esmaeili et al. 2017:85 [ref. 35254], Parenti 2021:74 [ref. 38603]). Current status: Synonym of Ponticola gorlap (Iljin 1949). Gobiidae: Gobiinae. Distribution: Eurasia: northern Caspian Sea basin [if valid]. Habitat: freshwater, brackish.